DE69908933D1 - Verfahren zur reindarstellung von isophthalsäure durch kristallisation - Google Patents

Verfahren zur reindarstellung von isophthalsäure durch kristallisation

Info

Publication number
DE69908933D1
DE69908933D1 DE69908933T DE69908933T DE69908933D1 DE 69908933 D1 DE69908933 D1 DE 69908933D1 DE 69908933 T DE69908933 T DE 69908933T DE 69908933 T DE69908933 T DE 69908933T DE 69908933 D1 DE69908933 D1 DE 69908933D1
Authority
DE
Germany
Prior art keywords
crystalization
representation
isophthalic acid
isophthalic
acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69908933T
Other languages
English (en)
Other versions
DE69908933T2 (de
Inventor
Fu-Ming Lee
Wiston Lamshing
Wright Wytcherley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GTC Technology Inc
Original Assignee
GTC Technology Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GTC Technology Inc filed Critical GTC Technology Inc
Application granted granted Critical
Publication of DE69908933D1 publication Critical patent/DE69908933D1/de
Publication of DE69908933T2 publication Critical patent/DE69908933T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69908933T 1998-05-06 1999-04-20 Verfahren zur reindarstellung von isophthalsäure durch kristallisation Expired - Fee Related DE69908933T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US8442698P 1998-05-06 1998-05-06
US84426P 1998-05-06
US09/229,789 US6140534A (en) 1995-06-07 1999-01-13 Method for purifying isophthalic acid prepared from metaxylene
US229789 1999-01-13
PCT/US1999/008800 WO1999057090A1 (en) 1998-05-06 1999-04-20 Process for purifying isophthalic acid by crystallization

Publications (2)

Publication Number Publication Date
DE69908933D1 true DE69908933D1 (de) 2003-07-24
DE69908933T2 DE69908933T2 (de) 2004-04-22

Family

ID=26770970

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69908933T Expired - Fee Related DE69908933T2 (de) 1998-05-06 1999-04-20 Verfahren zur reindarstellung von isophthalsäure durch kristallisation

Country Status (15)

Country Link
US (1) US6140534A (de)
EP (1) EP1075458B1 (de)
KR (1) KR100552261B1 (de)
CN (1) CN1231447C (de)
AU (1) AU3865199A (de)
BR (1) BR9910225A (de)
CA (1) CA2331805A1 (de)
DE (1) DE69908933T2 (de)
ES (1) ES2201713T3 (de)
ID (1) ID28144A (de)
IL (1) IL139499A0 (de)
RU (1) RU2208606C2 (de)
TR (1) TR200100161T2 (de)
TW (1) TW514635B (de)
WO (1) WO1999057090A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000232653A (ja) 1999-02-08 2000-08-22 Fuji Photo Film Co Ltd 撮影装置
US7307188B2 (en) * 2004-04-09 2007-12-11 Gtc Technology, Inc. Purification of carboxylic acids by complexation with selective solvents
US20050288527A1 (en) * 2004-06-28 2005-12-29 Cook William L Method for preparing free-flowing crystalline material
KR100952829B1 (ko) 2008-11-06 2010-04-15 한국에너지기술연구원 다단 추출에 의한 이소프탈산 정제 장치 및 방법
RU2458042C2 (ru) * 2010-03-01 2012-08-10 Общество с ограниченной ответственностью "НИПИМ-Новые химические технологии" (ООО "НИПИМ-НХИМТЕХ") Способ получения и очистки изофталевой кислоты
CN102992999B (zh) * 2011-09-17 2014-08-27 中国石油化工股份有限公司 精间苯二甲酸装置氧化单元粗间苯二甲酸“过滤、洗涤”套洗方法
CN103121939B (zh) * 2011-11-18 2015-10-21 中国石油化工股份有限公司 粗间苯二甲酸加氢精制反应原料的制备方法
CN103121943B (zh) * 2011-11-18 2015-08-12 中国石油化工股份有限公司 提纯粗间苯二甲酸氧化浆料的方法
CN109369374A (zh) * 2018-12-18 2019-02-22 华东理工大学 一种间苯二甲酸的精制方法
CN109485557A (zh) * 2018-12-18 2019-03-19 华东理工大学 一种间苯二甲酸的制备工艺

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949483A (en) * 1954-07-30 1960-08-16 Chemstrand Corp Method of purifying aromatic dicarboxylic acids
US5110984A (en) * 1990-11-06 1992-05-05 Amoco Corporation Process for increasing the yield of purified isophthalic acid and reducing waste-water treatment a
US5767311A (en) * 1995-06-07 1998-06-16 Glitsch International, Inc. Method and apparatus for preparing purified terephtalic acid
JP3757995B2 (ja) * 1996-07-12 2006-03-22 三菱瓦斯化学株式会社 高純度イソフタル酸の製造方法

Also Published As

Publication number Publication date
IL139499A0 (en) 2001-11-25
CN1231447C (zh) 2005-12-14
BR9910225A (pt) 2001-10-02
TW514635B (en) 2002-12-21
EP1075458B1 (de) 2003-06-18
RU2208606C2 (ru) 2003-07-20
ID28144A (id) 2001-05-10
WO1999057090A1 (en) 1999-11-11
CA2331805A1 (en) 1999-11-11
CN1308601A (zh) 2001-08-15
AU3865199A (en) 1999-11-23
US6140534A (en) 2000-10-31
KR20010043372A (ko) 2001-05-25
ES2201713T3 (es) 2004-03-16
EP1075458A1 (de) 2001-02-14
KR100552261B1 (ko) 2006-02-20
DE69908933T2 (de) 2004-04-22
TR200100161T2 (tr) 2001-05-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee